Tag Archives: March

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History of Western Civilization Told Through the Acoustics of its Worship Spaces

 

Abstract.  Insights into the history and future of western civilization are found by applying information theory to the acoustical communication channel (ACC) of its worship spaces. Properties of the ACC have both influenced and reflected the choice of message coding (e.g., speech or music) at various times. Speech coding is efficient for acoustically dry ACCs, but hopeless for highly time-dispersive ACCs. Music coding is appropriate for time dispersive (reverberant) ACCs. The ACCs of synagogues, early Christian house churches, and many Protestant churches are relatively acoustically “dry” and thus well suited to spoken liturgies. The spoken liturgy, dominant in synagogues, was carried over to early Christian churches, but became unworkable in Constantinian cathedrals and was largely replaced with a musical liturgy. After a millennium, the cathedral acoustic was altered to suit the doctrinal needs of reformation churches with its renewed emphasis on the spoken word. Worship forms continue to change, and the changes are reflected in the properties of the ACC. The pulpits of electronic churches may be evolving into radio and television performance spaces and naves into worshipers’ living rooms.

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Evensong “How Do You Keep the Music Playing?”

Sacred Spaces

National Youth Choir of Scotland “Love Divine”

Standards March: Water

Curated list of our interest and accomplishments in water-related codes, standards and related best practice literature.

International Building Code | Chapter 29 Plumbing Systems

IAPMO International

Backflow Prevention

Fire Pump Reliability

Legionella

Emergency Shower & Eyewash Testing

Gallery: Great Lakes

Building Water Demand

Water and Electricity

Florida Gulf Coast University | Lee County

Water Management

University of Newcastle | New South Wales

Natatoriums 300: Advanced Topics

University of Southern California | Orange County

Qualität der Wasserversorgung

DRINKING, WASTEWATER & STORMWATER SYSTEMS

 

Time & Frequency Services

The National Institute of Standards and Technology is responsible for maintaining and disseminating official time in the United States. While NIST does not have a direct role in implementing clock changes for daylight saving time, it does play an important role in ensuring that timekeeping systems across the country are accurate and consistent.

Prior to the implementation of daylight saving time, NIST issues public announcements reminding individuals and organizations to adjust their clocks accordingly. NIST also provides resources to help people synchronize their clocks, such as the time.gov website and the NIST radio station WWV.

In addition, NIST is responsible for developing and maintaining the atomic clocks that are used to define Coordinated Universal Time (UTC), the international standard for timekeeping. UTC is used as the basis for all civil time in the United States, and it is the reference time used by many systems, including the Global Positioning System (GPS) and the internet.

Overall, while NIST does not have a direct role in implementing clock changes for daylight saving time, it plays an important role in ensuring that timekeeping systems across the country are accurate and consistent, which is essential for the smooth implementation of any changes to the system.

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Time Realization and Distribution

Horologiorum

Fish Fry

Indiana

 

 

 

 

 

 

 

 

 

 

 

 

 

The Fish Fry is the unofficial homecoming of Indiana agriculture,” said Danica Kirkpatrick, Executive Director of the Ag Alumni Association. “Not only do we have a fun, educational program, but our guests tell us each year how much they enjoy the networking and exhibit area. While you can’t help but notice the obvious Purdue Pride at the Fish Fry, you don’t have to be an alumnus to attend.”

 

 

 

 

 

 

 

 

 

 

 

 

 

Standards Indiana

Time Synchronization of Medium Voltage Substations

 

Time Synchronization of Medium Voltage Substation IEDs Using Modbus and Python

Joseph Owusu, et. al

 

Abstract:  Energy demand and supply all over the world is increasing in size and complexity. Anomalous conditions caused by failures in electrical components, human errors and environmental conditions result in electrical faults that can interrupt electricity flow. Substation automation requires precise time synchronization for a variety of Intelligent Electronic Devices for fault diagnosis. The quest for accurate and sequential time stamping of events compels power utility companies to adopt various techniques of time synchronization with an accuracy of a millisecond or a microsecond. Some works adopt the use of time synchronization techniques using protocols such as Network Time Protocol, Precision Time protocol, Simple Network Time Protocol and many more. This work presents time synchronization of IEDs using Modbus protocol and python programming language for a local substation. The system records the output data into a database and displays it on an application software. The time synchronization system was successful alternative for off network systems.

 

Related:

Time Synchronization in the Electric Power System

Hosanna to the Son of David

Matthew 21:1-11 recounts the events of Palm Sunday, the triumphal entry of Jesus into Jerusalem:

1 As they approached Jerusalem and came to Bethphage on the Mount of Olives, Jesus sent two disciples, 2 saying to them, “Go to the village ahead of you, and at once you will find a donkey tied there, with her colt by her. Untie them and bring them to me. 3 If anyone says anything to you, say that the Lord needs them, and he will send them right away.”

4 This took place to fulfill what was spoken through the prophet: 5 “Say to Daughter Zion, ‘See, your king comes to you, gentle and riding on a donkey, and on a colt, the foal of a donkey.'”

6 The disciples went and did as Jesus had instructed them. 7 They brought the donkey and the colt and placed their cloaks on them for Jesus to sit on. 8 A very large crowd spread their cloaks on the road, while others cut branches from the trees and spread them on the road. 9 The crowds that went ahead of him and those that followed shouted, “Hosanna to the Son of David!” “Blessed is he who comes in the name of the Lord!” “Hosanna in the highest heaven!”

10 When Jesus entered Jerusalem, the whole city was stirred and asked, “Who is this?”

11 The crowds answered, “This is Jesus, the prophet from Nazareth in Galilee.”

The term “Hosanna” originates from Hebrew and is often translated as “Save, we pray” or “Save us, we pray.” It is an expression of adoration, praise, and supplication.  It’s origins lie in the events of Palm Sunday, which commemorates Jesus Christ’s triumphant entry into Jerusalem. According to the Gospels, Jesus rode into Jerusalem on a donkey while crowds of people laid palm branches and their cloaks on the road, shouting “Hosanna to the Son of David! Blessed is he who comes in the name of the Lord! Hosanna in the highest heaven!”

Jacob’s Polish Pierogi

The University of Salford | Greater Manchester

Polska


University of Salford Facilities

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